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Implement LBN reading in GetFileInfo, can now load modules via /sce_lbn%x_%x paths

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This commit is contained in:
Henrik Rydgard 2012-11-06 18:32:28 +01:00
parent 8a082f91cc
commit 7894c6a1c5
1 changed files with 27 additions and 7 deletions
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34
Core/FileSystems/ISOFileSystem.cpp
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@ -23,6 +23,15 @@
const int sectorSize = 2048;
static void parseLBN(std::string filename, u32 *sectorStart, u32 *readSize)
{
std::string yo = filename;
filename.erase(0,10);
sscanf(filename.c_str(), "%08x", sectorStart);
filename.erase(0,filename.find('_') + 5);
sscanf(filename.c_str(), "%08x", readSize);
}
#pragma pack(push)
#pragma pack(1)
struct DirectoryEntry
@ -262,13 +271,9 @@ u32 ISOFileSystem::OpenFile(std::string filename, FileAccess access)
OpenFileEntry entry;
if (filename.compare(0,8,"/sce_lbn") == 0)
{
std::string yo = filename;
filename.erase(0,10);
u32 sectorStart = 0xFFFFFFFF, readSize = 0xFFFFFFFF;
sscanf(filename.c_str(), "%08x", &sectorStart);
filename.erase(0,filename.find('_') + 5);
sscanf(filename.c_str(), "%08x", &readSize);
INFO_LOG(FILESYS, "Got a raw sector read %s, sector %08x, size %08x", yo.c_str(), sectorStart, readSize);
parseLBN(filename, &sectorStart, &readSize);
INFO_LOG(FILESYS, "Got a raw sector read %s, sector %08x, size %08x", filename.c_str(), sectorStart, readSize);
u32 newHandle = hAlloc->GetNewHandle();
entry.seekPos = 0;
entry.file = 0;
@ -336,7 +341,7 @@ size_t ISOFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size)
blockDevice->ReadBlock(e.seekPos, pointer + i * 2048);
e.seekPos++;
}
return size;
return (size_t)size;
}
u32 position;
@ -431,6 +436,21 @@ size_t ISOFileSystem::SeekFile(u32 handle, s32 position, FileMove type)
PSPFileInfo ISOFileSystem::GetFileInfo(std::string filename)
{
if (filename.compare(0,8,"/sce_lbn") == 0)
{
u32 sectorStart = 0xFFFFFFFF, readSize = 0xFFFFFFFF;
parseLBN(filename, &sectorStart, &readSize);
PSPFileInfo fileInfo;
fileInfo.name = filename;
fileInfo.exists = true;
fileInfo.size = readSize;
fileInfo.startSector = sectorStart;
fileInfo.isOnSectorSystem = true;
fileInfo.numSectors = (readSize + sectorSize - 1) / sectorSize;
return fileInfo;
}
TreeEntry *entry = GetFromPath(filename);
PSPFileInfo x;
if (!entry)